13F

Stock

Contemporary Amperex

Ticker not mapped · held by 7 managers

Reported value

$5.9M

Holders

7

+2 new · −1 exited

Holders’ est. mark

$902.9K

Price effect on 5 books still in the name

Largest holder

$5.33M

Boston Common Asset Management, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Boston Common Asset Management, LLC266K$5.33M$793.7KAdded$1.93M
RIVERBRIDGE PARTNERS LLC10.4K$208.2K$40.6KAdded$40.6K
RHUMBLINE ADVISERS9.35K$187.2K$36.5KAdded$36.6K
PNC Financial Services Group, Inc.8.04K$161.1K$30.3KAdded$36.3K
ESSEX INVESTMENT MANAGEMENT CO LLC722$14.5K$1.79KAdded$7.08K
NBC SECURITIES, INC.176$3.44KNew
IMA Advisory Services, Inc.1$20New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.